About Harold Stanley
Lived 1885 – 1963 (aged 77). Harold Stanley was an American entrepreneur, known for Morgan Stanley.
Harold Stanley (October 2, 1885 – May 14, 1963) was an American businessman and one of the founders of Morgan Stanley in 1935. For 20 years, he ran Morgan Stanley until he left the firm in 1955.
Early life Stanley was born in Great Barrington, Massachusetts, the son of William Stanley, Jr. and Lila Courtney Stanley. William was an inventor with General Electric for whom the Stanley Works building was named in Pittsfield, Massachusetts. He graduated from the Hotchkiss School in 1904 and Yale University in 1908. Harold Stanley was a member of the Skull and Bones secret society.
Career He became a vice-president of the bond department of the Guaranty Trust Company of New York in 1916 , eventually spinning the division off into a separate and subsidiary securities company, the Guaranty Company, where he worked in cooperation with J. P. Morgan, Jr. In 1927, Morgan invited Stanley to become a partner in his firm, replacing Dwight Morrow, who became the United States ambassador to Mexico. It was founded with $6.6 million of nonvoting stocks from J.P. Morgan's partners. Stanley was influential in his testimony in the 1940s successfully defending the industry against government charges that it was anti-competitive.
Personal life He married Edith Thurston, daughter of William Harris Thurston, in 1914. She died in 1934, and he married Louise Todd, widow of Seymour Parker Gilbert, in 1939. He had stepchildren, but no children from either of his marriages. He resided at 4 East 72nd Street on Manhattan's Upper East Side in New York City and died in Philadelphia in 1963.
Activities and interests He was a member of the Links Club of New York, the National Golf Club, the Racquet and Tennis Club, and the Yale Club. He was a director of many companies including the Shell Caribbean Petroleum Corporation.
Stanley played ice hockey at Yale University between 1906 and 1908 and later on the St. Nicholas Hockey Club in the American Amateur Hockey League.
Philanthropy In 1940, he led the New York campaign to raise $1.5 million for the United States Commission for the Care of European Children, a private organization providing relief to young war refugees.
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Important facts
People in Harold Stanley's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Harold Stanley's
Frequently asked questions
Who was Harold Stanley?
American businessman
When was Harold Stanley born?
Harold Stanley was born on 2 October 1885 in Great Barrington.
When did Harold Stanley die?
Harold Stanley died on 14 May 1963 in Philadelphia.
What was Harold Stanley's occupation?
Harold Stanley was an entrepreneur.
What was Harold Stanley known for?
Harold Stanley was known for Morgan Stanley.
What nationality was Harold Stanley?
Harold Stanley was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Harold Stanley. https://biography.guide/harold-stanley-entrepreneur/
MLA: "Harold Stanley." Biography.guide, https://biography.guide/harold-stanley-entrepreneur/.
Chicago: "Harold Stanley." Biography.guide. https://biography.guide/harold-stanley-entrepreneur/.
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